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tcg: improve profiler

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Now that there are two passes of optimization (optimize.c, liveness)
there is no point of outputing the statistics of the liveness part
only. Update the code to take into account both optimizations.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2012-09-06 16:47:13 +02:00
parent 4b1c11fd20
commit c5cc28ff8f
2 changed files with 12 additions and 1 deletions
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12
tcg/tcg.c
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@ -2059,22 +2059,29 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
}
#endif
#ifdef CONFIG_PROFILER
s->opt_time -= profile_getclock();
#endif
#ifdef USE_TCG_OPTIMIZATIONS
gen_opparam_ptr =
tcg_optimize(s, gen_opc_ptr, gen_opparam_buf, tcg_op_defs);
#endif
#ifdef CONFIG_PROFILER
s->opt_time += profile_getclock();
s->la_time -= profile_getclock();
#endif
tcg_liveness_analysis(s);
#ifdef CONFIG_PROFILER
s->la_time += profile_getclock();
#endif
#ifdef DEBUG_DISAS
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT))) {
qemu_log("OP after liveness analysis:\n");
qemu_log("OP after optimization and liveness analysis:\n");
tcg_dump_ops(s);
qemu_log("\n");
}
@ -2241,6 +2248,9 @@ void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf)
(double)s->interm_time / tot * 100.0);
cpu_fprintf(f, " gen_code time %0.1f%%\n",
(double)s->code_time / tot * 100.0);
cpu_fprintf(f, "optim./code time %0.1f%%\n",
(double)s->opt_time / (s->code_time ? s->code_time : 1)
* 100.0);
cpu_fprintf(f, "liveness/code time %0.1f%%\n",
(double)s->la_time / (s->code_time ? s->code_time : 1) * 100.0);
cpu_fprintf(f, "cpu_restore count %" PRId64 "\n",

1
tcg/tcg.h
View File

@ -382,6 +382,7 @@ struct TCGContext {
int64_t interm_time;
int64_t code_time;
int64_t la_time;
int64_t opt_time;
int64_t restore_count;
int64_t restore_time;
#endif